Thermodynamic instabilities in dynamical quark models with complex conjugate mass poles
High Energy Physics - Phenomenology
2012-10-04 v2 Nuclear Theory
Abstract
We show that the CJT thermodynamic potential of dynamical quark models with a quark propagator represented by complex conjugate mass poles inevitably exhibits thermodynamic instabilities. We find that the minimal coupling of the quark sector to a Polyakov loop potential can strongly suppress but not completely remove such instabilities. This general effect is explicitly demonstrated in the framework of a covariant, chirally symmetric, effective quark model.
Cite
@article{arxiv.1206.6582,
title = {Thermodynamic instabilities in dynamical quark models with complex conjugate mass poles},
author = {Sanjin Benić and David Blaschke and Michael Buballa},
journal= {arXiv preprint arXiv:1206.6582},
year = {2012}
}
Comments
Minor typos corrected, submitted version